Flight Wattay International Airport departs from Vientiane Wattay International Airport at 21:40 and arrives at Haikou Haikou Meilan International Airport at 00:30.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 880 Km. So the average speed is roughly 480 Km.
There is an 1 hour time difference between Vientiane and Haikou
